: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
'label' => esc_html__('Set Padding','accelerated-mobile-pages'),
'output_format'=>"padding: %left% %right% %top% %bottom%"
'type' =>'checkbox_bool',
'name' =>"check_for_brdr",
'label' => esc_html__('Border','accelerated-mobile-pages'),
'label' => esc_html__('Border width','accelerated-mobile-pages'),
'required' => array('check_for_brdr'=>1),
'name' =>"border_clr_pkr",
'label' => esc_html__('Border Color','accelerated-mobile-pages'),
'required' => array('check_for_brdr'=>1),
'type' =>'checkbox_bool',
'name' =>"check_for_pdng",
'label' => esc_html__('Responsive Padding','accelerated-mobile-pages'),
'label' => esc_html__('Set Padding','accelerated-mobile-pages'),
'required' => array('check_for_pdng'=>1),
'type' =>'checkbox_bool',
'name' =>"check_for_mrgn",
'label' => esc_html__('Responsive Margin','accelerated-mobile-pages'),
'label' => esc_html__('Set Margin','accelerated-mobile-pages'),
'required' => array('check_for_mrgn'=>1),
'front_template_start'=>$ampforwp_module_output,
'front_template_end'=>$outputEnd,
'front_common_css' => $front_common_css,